A new study has linked signs of heightened arousal and reactivity – a core symptom of posttraumatic stress disorder (PTSD) – to overactivity of the locus coeruleus (LC), a brain region that mediates arousal and reactivity. By combining bodily responses and brain imaging data researchers have provided direct human evidence for a theory over 30 years old.
from Top Health News – ScienceDaily http://ift.tt/2ijK7n5
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